Keysight IxChariot-related products stack-based buffer overflow
Summary
| CVE | CVE-2026-49435 |
|---|---|
| State | PUBLISHED |
| Assigner | cisa-cg |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-04 19:16:51 UTC |
| Updated | 2026-08-04 20:16:52 UTC |
| Description | Keysight IxChariot Endpoint and associated products contain a stack-based buffer overflow. An unauthenticated remote attacker can send a specially crafted packet and execute arbitrary code with administrative privileges. |
Risk And Classification
Primary CVSS: v4.0 9.3 CRITICAL from 9119a7d8-5eab-497f-8521-727c672e3725
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Problem Types: CWE-121 | CWE-121 CWE-121 Stack-based Buffer Overflow
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | 9119a7d8-5eab-497f-8521-727c672e3725 | Secondary | 9.3 | CRITICAL | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C... |
| 4.0 | CNA | DECLARED | 9.3 | CRITICAL | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| 3.1 | 9119a7d8-5eab-497f-8521-727c672e3725 | Secondary | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | DECLARED | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
NonePrivileges Required
NoneUser Interaction
NoneConfidentiality
HighIntegrity
HighAvailability
HighSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Keysight | Hawkeye | affected 6.0.7 custom | Not specified |
| CNA | Keysight | Hawkeye | unaffected 6.0.7 | Not specified |
| CNA | Keysight | IxChariot | unaffected 10.0.254 | Not specified |
| CNA | Keysight | IxChariot | affected 10.0.254 custom | Not specified |
| CNA | Keysight | IxTap | affected 3.13.0 custom | Not specified |
| CNA | Keysight | IxTap | unaffected 3.13.0 | Not specified |
| CNA | Keysight | IxProbe | affected 3.13.0 custom | Not specified |
| CNA | Keysight | IxProbe | unaffected 3.13.0 | Not specified |
| CNA | Keysight | IxByPass | affected 3.13.0.69 custom | Not specified |
| CNA | Keysight | IxByPass | unaffected 3.13.0.69 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.keysight.com/us/en/lib/software-detail/computer-software/hawkeye.html | 9119a7d8-5eab-497f-8521-727c672e3725 | www.keysight.com | |
| www.cve.org/CVERecord | 9119a7d8-5eab-497f-8521-727c672e3725 | www.cve.org | |
| raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-216-01.json | 9119a7d8-5eab-497f-8521-727c672e3725 | raw.githubusercontent.com | |
| www.keysight.com/us/en/product/IXTP-CU3-T/copper-taps---ixtp-cu3-t.html | 9119a7d8-5eab-497f-8521-727c672e3725 | www.keysight.com | |
| www.keysight.com/us/en/lib/software-detail/computer-software/ixchariot.html | 9119a7d8-5eab-497f-8521-727c672e3725 | www.keysight.com | |
| www.keysight.com/us/en/about/quality-and-security/security/product-and-solutio... | 9119a7d8-5eab-497f-8521-727c672e3725 | www.keysight.com | |
| www.keysight.com/us/en/lib/software-detail/instrument-firmware-software/ixprob... | 9119a7d8-5eab-497f-8521-727c672e3725 | www.keysight.com | |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Sébastien Charbonnier, ANSSI (en)
There are currently no legacy QID mappings associated with this CVE.